CN214466553U

CN214466553U - Mechanism base for combined air valve

Info

Publication number: CN214466553U
Application number: CN202023203043.XU
Authority: CN
Inventors: 林军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-22
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a mechanism base for a combined air valve, which comprises a bottom plate, a mounting hole arranged on the bottom plate, a base arranged on the bottom plate, a sliding column arranged on the bottom plate, a sliding chute arranged on the base, a lifting mechanism arranged on the bottom plate and a fixing mechanism arranged on the base; the lifting mechanism comprises a scissor arm, a first sliding block arranged on the scissor arm, a second sliding block arranged on the scissor arm, a first sliding groove arranged on the bottom plate, a second sliding groove arranged on the bottom plate, a buffer component arranged on the bottom plate, a pushing component arranged on the bottom plate and a limiting component arranged on the bottom plate.

Description

Mechanism base for combined air valve

Technical Field

The utility model belongs to the technical field of ventilation equipment, especially, relate to a mechanism base for combined air valve.

Background

The combined air valve generally realizes the opening and closing of the valve by driving a transmission mechanism through an actuating mechanism, the actuating mechanism needs to be connected through a mechanism base and then fixed on the ground when being installed on site, the mechanism base for the traditional combined air valve is welded by angle iron, the structure is complex, the height cannot be adjusted, the combined air valve cannot adapt to different ground heights on site, and the installation is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a but height-adjusting's mechanism base for combination blast gate.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mechanism base for a combined air valve comprises a bottom plate, a mounting hole arranged on the bottom plate, a base arranged on the bottom plate, a sliding column arranged on the bottom plate, a sliding chute arranged on the base, a lifting mechanism arranged on the bottom plate and a fixing mechanism arranged on the base; the lifting mechanism comprises a scissor arm, a first sliding block arranged on the scissor arm, a second sliding block arranged on the scissor arm, a first sliding groove arranged on the base, a second sliding groove arranged on the bottom plate, a buffer component arranged on the bottom plate, a pushing component arranged on the bottom plate and a limiting component arranged on the bottom plate; the pushing assembly can enable the base to ascend upwards by pushing one side of the scissor arm, the sliding column is matched with the sliding groove to ensure that the base rises linearly, and when the position of the actuating mechanism is adjusted, the position can be locked by the limiting assembly, and the actuating mechanism is fixed on the base by the fixing mechanism.

Further, the pushing assembly comprises a push rod, a push rod groove arranged on the bottom plate, a push handle arranged on the push rod, a push handle groove arranged on the push rod, a cover plate groove arranged on the bottom plate and a cover plate spring arranged on the cover plate; the first sliding block can rotate on the push rod, and the displacement of the movable end of the scissor arm can be adjusted by pushing the push rod to drive the base to move to the required height; the cover plate can prevent impurities such as dust from entering the movable area of the limiting assembly in the push rod.

Furthermore, the limiting assembly comprises a clamping block, a clamping plate arranged on the push rod, a clamping block groove arranged on the clamping plate, a clamping plate sliding groove arranged on the push rod and a clamping plate spring arranged on the clamping plate; the pushing hands slide downwards in the pushing hand grooves, so that the clamping plates slide downwards in the clamping plate sliding grooves, the clamping blocks leave the clamping plate sliding grooves, the pushing rods push the pushing rod grooves, the pushing hands are lifted, the clamping blocks can be clamped in the clamping block grooves again, and the base is fixed in position.

Furthermore, the buffer assembly comprises a buffer block, a buffer spring arranged on the buffer block, a buffer chute arranged on the bottom plate, a buffer rod arranged on the buffer block, a rotating shaft arranged on the buffer block and a torsion spring arranged on the buffer rod; the buffer block can buffer the impact force of the first sliding chute and the second sliding chute on the first sliding block and the second sliding block when the base descends, so that the first sliding block and the second sliding block are prevented from being broken due to the impact force, and the service life of the first sliding block and the second sliding block is prolonged; the buffer rod can slow down the moving speed of the buffer block.

Further, the fixing mechanism comprises a first fixing strip, a second fixing strip arranged on the base, a fixing strip sliding groove arranged on the base, a first mounting hole arranged on the first fixing strip, a mounting block arranged on the first fixing strip, a second mounting hole arranged on the mounting block and a mounting block sliding groove arranged on the first fixing strip; the distance between the two first mounting holes can be changed by sliding the position of the second fixing strip, the distance between the second mounting hole and the second mounting hole can be changed by sliding the position of the mounting block, and the mounting block is adaptive to various length and width actuating mechanisms.

In conclusion, the height of the placing positions of the actuating mechanisms of the combined air valves at different positions can be met through the arrangement of the lifting mechanism; through the setting of fixed establishment, can satisfy the position of the actuating mechanism base mounting point of different grade type, improve the suitability of mechanism base.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view taken at a-a of fig. 2.

Fig. 4 is an enlarged view of fig. 3 at C.

Fig. 5 is a sectional view taken at B-B of fig. 2.

Detailed Description

As shown in fig. 1-5, a mechanism base for a combined air valve comprises a bottom plate 1, a mounting hole 10, a base 2, a sliding column 11, a sliding chute 120, a lifting mechanism and a fixing mechanism; the bottom surface of the bottom plate 1 is contacted with the ground and is fixedly arranged on the ground through the mounting hole 10; the base 2 is positioned above the bottom plate 1; the slide post 11 is fixed on the base plate 1 and can slide in the slide groove 120 on the base 2.

Specifically, the lifting mechanism comprises a scissor arm 3, a first sliding block 30, a second sliding block 31, a first sliding groove 12, a second sliding groove 13, a buffer component, a pushing component and a limiting component; the end parts of two longitudinal same side arms of the scissor arm 3, the end part of the upper end can rotate on the bottom surface of the base 2; the end part of the lower end can rotate on the top surface of the bottom plate 1; the end parts of the other two longitudinal same side arms of the scissor arm 3, the end part of the upper end can slide in a first sliding groove 30 on the bottom surface of the base 2 through a first sliding block 30; the lower end can slide in the second sliding groove 13 on the bottom plate 1 through the second sliding block 31; the pushing assembly comprises a push rod 32, a push rod groove 14, a push handle 33, a push handle groove 34, a cover plate 35, a cover plate groove 15 and a cover plate spring 36; the push rod 32 can slide in the push rod groove 14 on the bottom plate 1; the push handle 33 can slide up and down in a push handle groove 34 at the end of the push rod 32; the cover plate 35 can slide in the cover plate groove 15 on the bottom plate 1; one end of the cover plate spring 36 is fixedly connected to the side wall of the cover plate 35, and the other end is fixedly connected to the side wall of the cover plate groove 15; the limiting assembly comprises a clamping block 4, a clamping plate 41, a clamping block groove 42, a clamping plate sliding groove 43 and a clamping plate spring 44; the fixture block 4 is positioned on the top surface of the end part of the push rod groove 14; the catch plate 41 is slidable in a catch plate slide slot 43 in the push rod 32; the block grooves 43 are uniformly arranged on the upper top surface of the block plate 41; one end of the clamping plate sliding groove 43 is fixedly connected to the bottom surface of the clamping plate 41, and the other end of the clamping plate sliding groove 43 is fixedly connected to the bottom surface of the clamping plate sliding groove; the buffer component comprises a buffer block 5, a buffer spring 50, a buffer chute 16, a buffer rod 51, a rotating shaft 52 and a torsion spring 53; the buffer block 5 can slide in a buffer chute 16 on the bottom plate 1; one end of the buffer spring 50 is fixedly connected to the side wall of the buffer block 5, and the other end of the buffer spring is fixedly connected to the side wall of the buffer chute 16; the buffer rod 51 can rotate on the rotating shaft 52 on the buffer block 5, one end of the torsion spring 53 is fixedly connected on the side wall of the joint of the rotating shaft 52 of the buffer block 5, and the other end is fixedly connected on the side wall of the inner groove of the buffer rod 51.

Specifically, the fixing mechanism comprises a first fixing strip 20, a second fixing strip 21, a fixing strip sliding groove 22, a first mounting hole 23, a mounting block 24, a second mounting hole 25 and a mounting block sliding groove 26; the first fixing strip 20 is fixedly connected to the top surface of the base 2; the second fixing bar 21 is slidable in the fixing bar sliding groove 22; the first mounting hole 23 is positioned on the first fixing strip 20; the mounting block 24 is provided with a second mounting hole 25 which can slide in a mounting block sliding groove 26.

The working principle is as follows: the push handle 33 slides downwards in the push handle groove 34, so that the clamping plate 41 slides downwards in the clamping plate sliding groove 43, the clamping block 4 leaves the clamping plate sliding groove 43, the push rod 32 pushes the push rod groove 14, the base 2 can be lifted upwards by pushing one side of the scissor arm 3, the sliding column 11 is matched with the sliding groove 120 to ensure that the base 2 is lifted linearly, and when the position of the actuating mechanism is adjusted, the push handle 33 is lifted to clamp the clamping block 4 in the clamping block groove 42 again, so that the position of the base 2 is fixed; if the base 2 needs to be lowered to the lowest end, the buffer block 5 can buffer the impact force of the first sliding chute 12 and the second sliding chute 13 on the first sliding block 30 and the second sliding block 31 when the base 2 is lowered, so that the first sliding block 30 and the second sliding block 31 are prevented from being broken due to the impact force, and the service life of the sliding blocks is prolonged; the distance between the two first mounting holes 23 can be changed by sliding the position of the second fixing strip 21, the distance between the second mounting holes 25 and the second mounting holes 23 can be changed by sliding the position of the mounting block 24, and the actuating mechanism is fixedly connected to the first fixing strip 20 and the second fixing strip 21 through bolts.

Claims

1. A mechanism base for a combined air valve comprises a base plate (1), a mounting hole (10) arranged on the base plate, a base (2) arranged on the base plate, a sliding column (11) arranged on the base plate, a sliding chute (120) arranged on the base, a lifting mechanism arranged on the base plate and a fixing mechanism arranged on the base; the method is characterized in that: the lifting mechanism comprises a scissor arm (3), a first sliding block (30) arranged on the scissor arm, a second sliding block (31) arranged on the scissor arm, a first sliding groove (12) arranged on the base, a second sliding groove (13) arranged on the bottom plate, a buffer assembly arranged on the bottom plate, a pushing assembly arranged on the bottom plate and a limiting assembly arranged on the bottom plate.

2. The mechanism base for the combined air valve as claimed in claim 1, wherein: the pushing assembly comprises a push rod (32), a push rod groove (14) arranged on the bottom plate, a push handle (33) arranged on the push rod, a push handle groove (34) arranged on the push rod, a cover plate (35) arranged on the push rod, a cover plate groove (15) arranged on the bottom plate and a cover plate spring (36) arranged on the cover plate.

3. The mechanism base for the combined air valve as claimed in claim 2, wherein: the limiting assembly comprises a clamping block (4), a clamping plate (41) arranged on the push rod, a clamping block groove (42) arranged on the clamping plate, a clamping plate sliding groove (43) arranged on the push rod and a clamping plate spring (44) arranged on the clamping plate.

4. The mechanism base for the combined air valve as claimed in claim 1, wherein: the buffer assembly comprises a buffer block (5), a buffer spring (50) arranged on the buffer block, a buffer chute (16) arranged on the bottom plate, a buffer rod (51) arranged on the buffer block, a rotating shaft (52) arranged on the buffer block and a torsion spring (53) arranged on the buffer rod.

5. The mechanism base for the combined air valve as claimed in claim 1, wherein: the fixing mechanism comprises a first fixing strip (20), a second fixing strip (21) arranged on the base, a fixing strip sliding groove (22) arranged on the base, a first mounting hole (23) arranged on the first fixing strip, a mounting block (24) arranged on the first fixing strip, a second mounting hole (25) arranged on the mounting block and a mounting block sliding groove (26) arranged on the first fixing strip.